Continuity mistake: When Alex opens the door for Sanjay she is wearing red headphones around her neck, in the shot after that the headphones are gone. Two shots later, they reapear. (00:11:10)
Continuity mistake: When Haley, Claire, Phil and Jay are by the pool and Claire is talking to Phil. Claire's shirt (cover up) changes position several times. (00:02:00)
Continuity mistake: After the photographer asks Claire if they are still taking the picture Claire says no and puts mud on Gloria's belly. You see that its a round stain. In the shot after that the stain on Gloria's dress has become just a smear. This changes again in the shot after that. (00:20:05 - 00:20:40)
Continuity mistake: Whilst Clare and her new 'best friend' are talking to the flight attendant, the two glasses change from empty to full in the next shot.
Other mistake: When Claire is sitting in first class, the woman she was sitting next to finished her drink while on her angry phone call and asks for more, but about a second later she is drinking it again and it is no longer empty.
Continuity mistake: Gloria speaks Spanish to Manny and he seems to understand it. But later, when his brother Joe was born, a tutor had to be hired because Manny didn't speak or understand Spanish.
Answer: He has seen himself dancing, and is mortified at how bad he looks.